Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Brazilian treasure by Ipatov, Ħad 08 Aww 2021, Minn (2021/2021), Immexxi minn Sergey Shepelev,, Surmast Direttur Ivan Egorov, Sapaev Mari State Opera and Ballet Theatre, Yoshkar-Ola, Russia